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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen | $5,805 | $15,364 | $5,125 | $170 | $10,581 | $965 | $8,678 |
| Argon | $11,770 | $12,303 | $168,917 | $451,648 | $212,173 | $70,360 | $2,930 |
| Rare gases other than argon | $19,893 | $42,723 | $167,964 | $64,346 | $277,800 | $187,729 | $126,095 |
| Nitrogen | $37,994 | $26,995 | $2,703 | $176 | $2,156 | $1,239 | $11,706 |
| Oxygen | $5,369 | $12,074 | $14,317 | $169,974 | $226,135 | $141,961 | $109,518 |
| Silicon, cont. by wt. not <99.99% of silicon | $16,799 | $4,358 | $12,201 | $18,886 | $23,871 | $37,443 | $144,484 |
| Silicon, cont. by wt. <99.99% of silicon | | | | $533 | $591 | | |
| Arsenic | | | | $1,284 | | | |
| Total | $97,630 | $113,817 | $371,227 | $707,017 | $753,307 | $439,697 | $403,411 |
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